NO304702B1 - - Google Patents

Info

Publication number
NO304702B1
NO304702B1 NO944696A NO944696A NO304702B1 NO 304702 B1 NO304702 B1 NO 304702B1 NO 944696 A NO944696 A NO 944696A NO 944696 A NO944696 A NO 944696A NO 304702 B1 NO304702 B1 NO 304702B1
Authority
NO
Norway
Application number
NO944696A
Other languages
Norwegian (no)
Other versions
NO944696D0 (no
NO944696L (no
Original Assignee
L Air Liquide Sociutu Anonyme
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by L Air Liquide Sociutu Anonyme filed Critical L Air Liquide Sociutu Anonyme
Publication of NO944696D0 publication Critical patent/NO944696D0/no
Publication of NO944696L publication Critical patent/NO944696L/no
Publication of NO304702B1 publication Critical patent/NO304702B1/no

Links

Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
    • D21C9/10—Bleaching ; Apparatus therefor
    • D21C9/16—Bleaching ; Apparatus therefor with per compounds
    • D21C9/163—Bleaching ; Apparatus therefor with per compounds with peroxides
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C5/00—Other processes for obtaining cellulose, e.g. cooking cotton linters ; Processes characterised by the choice of cellulose-containing starting materials
    • D21C5/02—Working-up waste paper
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
    • D21C9/10—Bleaching ; Apparatus therefor
    • D21C9/147—Bleaching ; Apparatus therefor with oxygen or its allotropic modifications
    • D21C9/153—Bleaching ; Apparatus therefor with oxygen or its allotropic modifications with ozone
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00—Technologies for solid waste management
    • Y02W30/50—Reuse, recycling or recovery technologies
    • Y02W30/64—Paper recycling

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
NO944696A 1993-04-06 1994-12-06 Bleking av resirkulert papirmasse med ozon og hydrogenperoksid NO944696L (no)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US4436993A 1993-04-06 1993-04-06
PCT/EP1994/001068 WO1994023117A2 (en) 1993-04-06 1994-04-05 Bleaching recycled pulp with ozone and hydrogen peroxide

Publications (3)

Publication Number Publication Date
NO944696D0 NO944696D0 (no) 1994-12-06
NO944696L NO944696L (no) 1995-02-03
NO304702B1 true NO304702B1 (enrdf_load_stackoverflow) 1999-02-01

Family

ID=21932007

Family Applications (1)

Application Number Title Priority Date Filing Date
NO944696A NO944696L (no) 1993-04-06 1994-12-06 Bleking av resirkulert papirmasse med ozon og hydrogenperoksid

Country Status (10)

Country Link
US (1) US5755925A (enrdf_load_stackoverflow)
EP (1) EP0644965B1 (enrdf_load_stackoverflow)
BR (1) BR9404892A (enrdf_load_stackoverflow)
CA (1) CA2137450C (enrdf_load_stackoverflow)
DE (1) DE69408065T2 (enrdf_load_stackoverflow)
DK (1) DK0644965T3 (enrdf_load_stackoverflow)
ES (1) ES2111298T3 (enrdf_load_stackoverflow)
FI (1) FI945721L (enrdf_load_stackoverflow)
NO (1) NO944696L (enrdf_load_stackoverflow)
WO (1) WO1994023117A2 (enrdf_load_stackoverflow)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2801327B1 (fr) * 1999-11-18 2002-07-12 Papeteries Matussiere Forest Procede de desencrage, de decoloration, de desinfection et de blanchiment de papiers de recuperation
GB2382592A (en) * 2001-11-30 2003-06-04 Sca Hygiene Prod Gmbh Use of ozone to enhance the wet strength of fibrous cellulosic material
US20030131958A1 (en) * 2001-11-30 2003-07-17 Thomas Jaschinski Use of ozone for increasing the wet strength of paper and nonwoven
US6875414B2 (en) 2002-01-14 2005-04-05 American Air Liquide, Inc. Polysulfide measurement methods using colormetric techniques
SE526241C2 (sv) * 2003-12-18 2005-08-02 Metso Paper Inc Förfarande för att surgöra lignocellulosahaltig massa före ozonblekning
US7297225B2 (en) * 2004-06-22 2007-11-20 Georgia-Pacific Consumer Products Lp Process for high temperature peroxide bleaching of pulp with cool discharge
US20100224336A1 (en) * 2005-12-14 2010-09-09 University Of Maine System Board Of Trustees Process of bleaching a wood pulp
FR2910027B1 (fr) * 2006-12-13 2009-11-06 Itt Mfg Enterprises Inc Procede de blanchiment des pates papeteries chimiques par traitement final a l'ozone a haute temperature
CN104583492B (zh) 2012-06-13 2018-03-06 缅因大学系统理事会 制备纳米纤维素纤维的能量有效的方法
US11078624B2 (en) 2018-09-21 2021-08-03 King Abdulaziz University Method for isolating alpha cellulose from lignocellulosic materials

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA902861A (en) * 1969-11-27 1972-06-20 Pulp And Paper Research Institute Of Canada Bleaching of cellulosic pulp
NO144711C (no) * 1978-04-04 1981-10-21 Myrens Verksted As Fremgangsmaate til bleking av oksygendelignifiserte celluloseholdige masser med ozon
DE3544398A1 (de) * 1985-12-16 1987-06-19 Sueddeutsche Kalkstickstoff Verfahren zur bleiche und delignifizierung von zellstoffhaltigen produkten
DE3923728A1 (de) * 1989-07-18 1991-01-24 Degussa Verfahren zur stabilisierung der viskositaet von zellstoffen
US5211809A (en) * 1991-05-21 1993-05-18 Air Products And Chemicals, Inc,. Dye removal in oxygen color stripping of secondary fibers
US5464501A (en) * 1993-04-06 1995-11-07 Societe Anonyme Pour L'etude Et L'exploitation L'air Liquide, Des Procedes Georges Claude Bleaching recycled pulp with a reductive-oxidative sequence

Also Published As

Publication number Publication date
BR9404892A (pt) 1999-06-15
WO1994023117A3 (en) 1994-11-24
FI945721A7 (fi) 1995-01-26
NO944696D0 (no) 1994-12-06
CA2137450A1 (en) 1994-10-13
DE69408065T2 (de) 1998-06-10
US5755925A (en) 1998-05-26
FI945721A0 (fi) 1994-12-05
EP0644965A1 (en) 1995-03-29
DE69408065D1 (de) 1998-02-26
EP0644965B1 (en) 1998-01-21
FI945721L (fi) 1995-01-26
ES2111298T3 (es) 1998-03-01
NO944696L (no) 1995-02-03
WO1994023117A2 (en) 1994-10-13
DK0644965T3 (da) 1998-04-14
CA2137450C (en) 2001-07-24

Similar Documents

Publication Publication Date Title
EP0663652A3 (enrdf_load_stackoverflow)
FR2713530B1 (enrdf_load_stackoverflow)
FR2708704B1 (enrdf_load_stackoverflow)
EP0725461A3 (enrdf_load_stackoverflow)
FR2706959B1 (enrdf_load_stackoverflow)
NO304702B1 (enrdf_load_stackoverflow)
EP0641839A3 (enrdf_load_stackoverflow)
EP0661739A3 (enrdf_load_stackoverflow)
FR2706864B1 (enrdf_load_stackoverflow)
ES1024806Y (enrdf_load_stackoverflow)
TW270180B (enrdf_load_stackoverflow)
IN179545B (enrdf_load_stackoverflow)
IN182426B (enrdf_load_stackoverflow)
ECSDI930172S (enrdf_load_stackoverflow)
IN176366B (enrdf_load_stackoverflow)
IN176388B (enrdf_load_stackoverflow)
ECSMU930029U (enrdf_load_stackoverflow)
IN177898B (enrdf_load_stackoverflow)
IN178646B (enrdf_load_stackoverflow)
IN186490B (enrdf_load_stackoverflow)
IN181313B (enrdf_load_stackoverflow)
IN182101B (enrdf_load_stackoverflow)
EP0630169A3 (enrdf_load_stackoverflow)
EP0657918A3 (enrdf_load_stackoverflow)
EP0719238A4 (enrdf_load_stackoverflow)

Legal Events

Date Code Title Description
MM1K Lapsed by not paying the annual fees

Free format text: LAPSED IN OCTOBER 2002

MM1K Lapsed by not paying the annual fees

Free format text: LAPSED IN OCTOBER 2003